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Annotation of 43BSDReno/lib/libcurses/initscr.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1981 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #ifndef lint
                     21: static char sccsid[] = "@(#)initscr.c  5.5 (Berkeley) 6/1/90";
                     22: #endif /* not lint */
                     23: 
                     24: # include      "curses.ext"
                     25: # include      <signal.h>
                     26: 
                     27: extern char    *getenv();
                     28: 
                     29: /*
                     30:  *     This routine initializes the current and standard screen.
                     31:  *
                     32:  */
                     33: WINDOW *
                     34: initscr() {
                     35: 
                     36:        reg char        *sp;
                     37:        int             tstp();
                     38: 
                     39: # ifdef DEBUG
                     40:        fprintf(outf, "INITSCR()\n");
                     41: # endif
                     42:        if (My_term)
                     43:                setterm(Def_term);
                     44:        else {
                     45:                gettmode();
                     46:                if ((sp = getenv("TERM")) == NULL)
                     47:                        sp = Def_term;
                     48:                setterm(sp);
                     49: # ifdef DEBUG
                     50:                fprintf(outf, "INITSCR: term = %s\n", sp);
                     51: # endif
                     52:        }
                     53:        _puts(TI);
                     54:        _puts(VS);
                     55: # ifdef SIGTSTP
                     56:        signal(SIGTSTP, tstp);
                     57: # endif
                     58:        if (curscr != NULL) {
                     59: # ifdef DEBUG
                     60:                fprintf(outf, "INITSCR: curscr = 0%o\n", curscr);
                     61: # endif
                     62:                delwin(curscr);
                     63:        }
                     64: # ifdef DEBUG
                     65:        fprintf(outf, "LINES = %d, COLS = %d\n", LINES, COLS);
                     66: # endif
                     67:        if ((curscr = newwin(LINES, COLS, 0, 0)) == ERR)
                     68:                return ERR;
                     69:        clearok(curscr, TRUE);
                     70:        curscr->_flags &= ~_FULLLINE;
                     71:        if (stdscr != NULL) {
                     72: # ifdef DEBUG
                     73:                fprintf(outf, "INITSCR: stdscr = 0%o\n", stdscr);
                     74: # endif
                     75:                delwin(stdscr);
                     76:        }
                     77:        stdscr = newwin(LINES, COLS, 0, 0);
                     78:        return stdscr;
                     79: }

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